What is the strongest continuation for White?

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. Travis Bickle

8 7 6 5 4 3 2 1 a b c d e f g h 0

(white to move) 1. Nf3 d5 2. d4 c5 3. c4 cxd4 4. cxd5 Qa5+ 5. Qd2 Qxd5 6. Nc3 Qd8 7. Qxd4 Nc6 8. Qxd8+ Nxd8 9. Bf4 e6 10. e4 a6 11. Na4 Bb4+ 12. Nd2 g5 13. Be5 f6 14. Nb6 Ra7 15. Nxc8 Ra8 16. Nb6 Ra7 17. Bb8 Nc6 18. Bxa7 Nxa7

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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight